#region MigraDoc - Creating Documents on the Fly

//
// Authors:
//   Klaus Potzesny
//
// Copyright (c) 2001-2019 empira Software GmbH, Cologne Area (Germany)
//
// http://www.pdfsharp.com
// http://www.migradoc.com
// http://sourceforge.net/projects/pdfsharp
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the "Software"),
// to deal in the Software without restriction, including without limitation
// the rights to use, copy, modify, merge, publish, distribute, sublicense,
// and/or sell copies of the Software, and to permit persons to whom the
// Software is furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
// THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 
// DEALINGS IN THE SOFTWARE.

#endregion

using MigraDoc.DocumentObjectModel;
using MigraDoc.DocumentObjectModel.Tables;
using MigraDoc.DocumentObjectModel.Internals;

namespace MigraDoc.RtfRendering
{
    /// <summary>
    ///   Class to render a Row to RTF..
    /// </summary>
    internal class RowsRenderer : RendererBase
    {
        internal RowsRenderer(DocumentObject domObj, RtfDocumentRenderer docRenderer)
            : base(domObj, docRenderer)
        {
            _rows = domObj as Rows;
        }

        internal override void Render()
        {
            Translate("Alignment", "trq");
            _rtfWriter.WriteControl("trleft", ToTwips(CalculateLeftIndent(_rows)));
        }

        internal static Unit CalculateLeftIndent(Rows rows)
        {
            object leftInd = rows.GetValue("LeftIndent", GV.GetNull);
            if (leftInd == null)
            {
                leftInd = rows.Table.Columns[0].GetValue("LeftPadding", GV.GetNull);
                if (leftInd == null)
                    leftInd = Unit.FromCentimeter(-0.12);
                else
                    leftInd = Unit.FromPoint(-((Unit)leftInd));

                Cell cell = rows[0].Cells[0];

                object visible = cell.GetValue("Borders.Left.Visible", GV.GetNull);
                object lineWidth = cell.GetValue("Borders.Left.Width", GV.GetNull);

                object style = cell.GetValue("Borders.Left.Style", GV.GetNull);
                object color = cell.GetValue("Borders.Left.Color", GV.GetNull);

                if (visible == null || (bool)visible)
                {
                    if (lineWidth != null || style != null || color != null)
                    {
                        if (style != null && (BorderStyle)style != BorderStyle.None)
                        {
                            if (lineWidth != null)
                                leftInd = Unit.FromPoint(((Unit)leftInd).Point - ((Unit)lineWidth).Point);
                            else
                                leftInd = Unit.FromPoint(((Unit)leftInd).Point - 0.5);
                        }
                    }
                }
            }
            return (Unit)leftInd;
        }

        private readonly Rows _rows;
    }
}